750321664 has 51 divisors (see below), whose sum is σ = 1514787547. Its totient is φ = 371654656.

The previous prime is 750321653. The next prime is 750321713. The reversal of 750321664 is 466123057.

It is a happy number.

The square root of 750321664 is 27392.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7012299 + ... + 7012405.

Almost surely, 2^750321664 is an apocalyptic number.

750321664 is the 27392-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 750321664

750321664 is an abundant number, since it is smaller than the sum of its proper divisors (764465883).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

750321664 is an frugal number, since it uses more digits than its factorization.

750321664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The cubic root of 750321664 is about 908.6901672465.

The spelling of 750321664 in words is "seven hundred fifty million, three hundred twenty-one thousand, six hundred sixty-four".